# Cloud Infrastructure & Migration > Selected work demonstrating this service. - [Optimized budget costs 10 times with zero loss in productivity for the Saudi Arabia company by reimagining the overall infrastructure, eliminating unnecessary services, and relocating from the AWS cloud.](https://software.engineer.company/portfolio/optimized-budget-costs-10-times-with-zero-loss-56/) - [As one of the first hires, designed and built the entire core infrastructure and supporting processes from scratch for a green‑energy SaaS startup, laying the foundation for rapid growth.](https://software.engineer.company/portfolio/as-one-of-the-first-hires-designed-and-86/) - [Ran the whole company on one 512 MB single‑core host — a git forge, a web server serving seven domains, Tor, two alternate‑protocol servers, backups and intrusion banning — by treating 464 MB of usable memory as the binding architectural constraint.](https://software.engineer.company/portfolio/ran-the-whole-company-on-one-512mb-host-109/)